Click here to go to our page on lumped element model for switch FETs
Our lumped element model does not provide a complete prediction of how a switch FET will operate in a MMIC design. The drain and source fingers add distributed properties to a switch FET. How do you take care of that?
Start by reading this patent application:
US20090119072. patent application "Electromagnetic modeling of switch FETs"
Next: we will tell you the story of this patent application, and tell you a few things it ignores...